Analysis and Design of Cavity-Backed Probe-Fed Hybrid Microstrip Antennas on FR4 Substrate

Figure 9

3D radiation patterns. (a, b) CBHM antenna. (c, d) Conventional probe-fed rectangular-patch microstrip antenna ( = 4.2, = 0.02, = 6.6 mm, = 26.2 mm, = 35 mm, = /2, and = 5 mm). Co-pol: red pattern; cross-pol: blue pattern.

(a)

(b)

(c)

(d)